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Exercise-induced laryngeal obstruction
Published in John W. Dickinson, James H. Hull, Complete Guide to Respiratory Care in Athletes, 2020
This chapter will cover: What is exercise-induced laryngeal obstruction (EILO).How common is EILO and epidemiology.What is the typical clinical presentation and how can you diagnose EILO.The causes of EILO.A logical approach to treating EILO.
Airflow through the supraglottis during inspiration
Published in Computer Methods in Biomechanics and Biomedical Engineering, 2023
L. Reid, M. Hayatdavoodi, S. Majumdar
Exercise-induced dyspnoea is a common ailment that impacts many patients and is often attributed to asthma or intrathoracic airway obstruction. There is an increasing amount of literature regarding collapse of the upper respiratory tract (URT) during exercise, specifically at the larynx, where a paradoxical closure can occur during inspiration (Røksund et al. 2017). This exercise-induced laryngeal obstruction (EILO) is characterised by exertional dyspnoea, inspiratory stridor, and panic reactions, which quickly dissipates after cessation of exercise (Røksund et al. 2015). Johansson et al. (2015) estimated the prevalence of EILO in the adolescent population between 5 and 7%, with the majority of those affected being female. Walsted et al. (2021) noted that this trend of female preponderance is also carried into the adult populations with diagnosed EILO.
Determinants of exercise capacity in children and adolescents with severe therapy-resistant asthma
Published in Journal of Asthma, 2022
Cláudia Silva Schindel, Daniele Schiwe, João Paulo Heinzmann-Filho, Mailise Fátima Gheller, Natália Evangelista Campos, Paulo Márcio Pitrez, Márcio Vinícius Fagundes Donadio
Limitations of this study include the lack of assessment of the level of daily physical activity of the children and adolescents, which could influence the results of exercise capacity. Furthermore, the fact that some patients used omalizumab (nonspecific anti-IgE immunotherapy) may have contributed to an improved performance because of the well-known benefits of the medication for patients with STRA, which may have influenced the results of exercise capacity, pulmonary function, disease control, and EIB (45,46). However, it is deemed unethical to discontinue medication for study purposes. Vocal cord dysfunction and exercise-induced laryngeal obstruction were not directly evaluated and could play a role in the present results. In addition, the influence of obesity was not addressed, as only few patients with overweight were included.
Exercise laryngoscopy in athletes and sportsmen: an easy way to assess exercise-induced laryngeal obstruction
Published in Acta Oto-Laryngologica, 2021
Ludovic Word, Marie-Dominique Dubois, Yann Lelonge, David Hupin, Jean-Michel Prades, Marie Gavid
Exercise-induced laryngeal obstruction (EILO) is an exercise-dependent dyspnoea usually found in adolescents and young athletic adults. It is estimated to concern between 5% and 7% of this young population [1]. This medical condition leads toward the reduction or the interruption of the exercise. The dyspnoea is linked to a partial or sub-total laryngeal closure during the effort [2]. This clinical classification is relatively recent, in opposition to exercise-induced bronchoconstriction (EIB), the main differential diagnosis. Different names have been used in the literature. We will adopt here the term ‘Exercise Induced Laryngeal Obstruction’ (EILO), following recommendation of a 2013 global consensus on this topic [3]. EILO is one kind of Induced Laryngeal Obstruction (ILO), which include other triggers out of exercise, like psychological or aerial irritant triggers [4].